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1·A spokeswoman said the agreement had been declared null and void.

一位女发言人说那个协议已被宣布为无效的。《柯林斯英汉双解大词典》

2·The contract was declared null and void.

合同被宣布无效。《牛津词典》

3·The marriage was declared null and void.

婚姻已宣告无效了。

4·All comments become null and void after 7 days.

我们所有的评论在7天后全都失效。

5·The agreement will be considered null and void.

该项协议将被视为无效。

6·The court ruled that the claim was null and void.

法庭裁决此项要求无效。

7·Their actions rendered the contract null and void.

他们的行为使合同无效。

8·The court ruled that the claim was null and void .

法庭裁决此项要求无效。

9·The award is null and void and has no binding force.

该裁决是无效的，没有拘束力。

10·Almost every new law makes some old one null and void.

几乎每一新的法律实施都使得某一旧的法律无效。

无效的

1·The contract was declared null and void.

合同被宣布无效。《牛津词典》

2·A spokeswoman said the agreement had been declared null and void.

一位女发言人说那个协议已被宣布为无效的。《柯林斯英汉双解大词典》

3·Serbia said a declaration would be 'a flagrant and unilateral act of secession of a part of the territory of the Republic of Serbia and... therefore null and void'.

塞尔维亚之前发表的声明称“作为塞尔维亚共和国领土的一部分，单方面脱离联邦是一次无耻行动……因此是无效的”。

4·In particular, the validityof an ITC may not be restricted to a certain period and any clauses to thiseffect that are added to the certificate shall be considered null and void.

特别地，国际转会证明的有效性可不受时间约束，如在证明中添加类似条款，则应当认为其无效。

5·If the contrary happens, it is by this very fact null and void.

如果情况相反，它是由这个非常事实上是无效的。